摘要：TypeError: cannot use a string pattern on a bytes-like object 这种情况解决方法就是加上html=html.decode('utf-8')#python3这句代码； AttributeError: module 'urllib' has n 阅读全文

摘要：Vectors and Matrices Array Creation Functions 创建随机数矩阵 x = rand(2) x = 0.8147 0.1270 0.9058 0.9134 x = rand(2,3) x = 0.6324 0.2785 0.9575 0.0975 0.5469 阅读全文